Bazzaz Suzuki GSX-R600 06-20 QS4 USB Stand Alone Quick Shift

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IMPORTANT NOTE: This kit offers a New Universal Shift Switch (USS) which further improves functionality and durability with the ability to operate seamlessly in standard and reverse shift patterns; allowing the rider to select the shift pattern WITHOUT the purchase of additional parts..

The QS4 USB (Stand Alone Quick Shift) is an updated version of the popular Bazzaz QS-4 Quick Shift. Customer feedback on the QS-4 led to the development of a new shift sensor for improved reliability, which now also includes an application specific adapter rod for easy installation.

The QS4 USB unit employs race proven technology for seamless clutchless up shifting. It has user adjustable gear dependent kill times allowing for optimal shifting in all gears. The kit comes complete with control unit, harnessing, shift switch and adapter rod. The software allows the user to set a signal to indicate to the rider precise shift points using the optional shift light sold separately.


  • Full power clutchless up shifting results are faster lap times.
  • Rugged shift sensor with application specific adapter rods for easy installation.
  • Gear dependent kill times for optimal shifting in all gears.
  • Gear learning capable.